Precaution and alarming device for combined harvester plugging fault
A technology of combine harvester and fault warning, applied in the direction of harvesters, cutters, agricultural machinery and implements, etc., can solve the problems of limited simple alarm, difficult arrangement of torque sensors, poor adaptability to active speed changes, etc., to avoid failures effect that occurs
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[0032] The structure of the device of the present invention is as figure 1 shown, including
[0033] The sensor module consists of three sensors of the same type, which are used to synchronously detect the instantaneous speed change process of the power output shaft of the combine harvester, the threshing drum and the grain conveying auger, and serve as a monitoring signal source for fault diagnosis;
[0034] The analog signal processing module independently processes three sensor signals for signal amplification, filtering and shaping;
[0035] The signal conversion module independently converts the CMOS level of the three-way sensor signal output into a TTL level for single-chip microcomputer input;
[0036] The power supply module converts the 12V DC power supply of the harvester to supply power to sensors, analog signal processing circuits, single-chip microcomputers, display screens and signal conversion modules;
[0037] The central information processing unit module o...
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